The size of the cost array is 2 but you have declared it of size 1. This will create ArrayIndexOutOfBoundsException. Replace the loop with this single statement so that the return type double[] matches cost_grd= Total_cost(); 1 solved Error passing and getting Array values in Java
clips is not an instance of your MashupII class, which is why you are not able to call MashupII’s append() method. solved JAVA: Why can’t I access a method in the same class?
Hi use this code. if(a<=21 && b<=21){ return Math.max(a, b); } This is a easy problem, try yourself next time. 1 solved When given a pair of ints, I need my code to be able to return the int that is closest to 21 without going over [closed]
I have this code which I need it to be read only once at the start of the program The example gives field initializers on a controller. A controller instance is not synonymous with a “program”; a controller instance more commonly maps to a single request (although in the case of partials, it can actually … Read more
First of all, I might think you have copied the program from an external source, since there is lots of compilation errors. Anyways… try this this might work… import java.util.Scanner; public class DemoPayroll { public static void main(String[] args) { Payroll newEmpInfoObject = new Payroll(); System.out.println(“Enter name”); Scanner keyboard = new Scanner(System.in); String name = … Read more
Well. I cannot give you code… I can give you some advice.. Split the String based on semicolon (;). For each String in the array (which you got after splitting, except the last one) split it again based on “=”. Take the RHS of the split String and parse it as integer. Now parse the … Read more
If d is the instance variable then it would be visibile to every method that you defined above. solved If I change the value of a variable in one function, will the changed value be used in another in Java?
A quick glance at the array page in the manual shows a reverse method > arr = [‘a’, ‘b’, ‘c’]; arr.reverse(); console.log(arr); [ ‘c’, ‘b’, ‘a’ ] solved How to reverse an array in Javascript?
There is no best way, it depends on situation. Ideally, there is no need to exit at all, it will just return. int a() { return 2; } If there is a real need to exit, use return, there are no penalties for doing so. void insertElementIntoStructure(Element e, Structure s) { if (s.contains(e)) { return; … Read more
I figured the problem that your code is not able to compare the last character.It expects a space after the last character so that it can compare the last character since java doesn’t use null character terminator for string termination.I have emulated the same code using Scanner class as I was having some trouble with … Read more
Are you trying to return the integer array score? …. for (int i = 0; i < score.Length; i++) { total += score[i]; } return score; } So you can capture this array when you call it like so int[] scores = GetValues(); 5 solved “Not all code paths return a value”
You can make GET or POST requests to node.js, in fact your browser sends a GET request in order to retrieve any HTML whatsoever.. I’m surprised that you have been able to deliver any given that you do not seem to grasp the concept of a GET request. You can post data to node just … Read more
you can call a void method like any other method, except that you don’t have to do anything with the return value because there isn’t one. case 2: listBasket(basket); break; for your third case, you have to pass in both a double and an ArrayList if you want to pass 0 as your double, than … Read more
charAt is zero based. You should use ab.charAt(0) if you use only a single char. Another good advice is to start method names with a lower case and use the camelCase format. 3 solved if char equals a letter then execute a code
initialize is an instance method in this class, so the def initialize is just setting up the constructor for the class. call.. is calling the class’s call method at the time the class definition is parsed. This code is equivalent to class Lol < Redstone def initialize super 2013 end end Lol.call “https://stackoverflow.com/” do |headers| … Read more